Impact of passive self-ligation and conventional elastic ligation on orthodontic force in the simulation of a mandibular lateral incisor linguoversion

Mar 9, 2020 by in Orthodontics Comments Off on Impact of passive self-ligation and conventional elastic ligation on orthodontic force in the simulation of a mandibular lateral incisor linguoversion

Introduction This study compared three-dimensional forces delivered to the displaced tooth and its adjacent teeth between passive self-ligation (PSL) and conventional elastic ligation (CL) in simulation of mandibular lateral incisor…

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Registration accuracy between intraoral-scanned and cone-beam computed tomography–scanned crowns in various registration methods

Mar 9, 2020 by in Orthodontics Comments Off on Registration accuracy between intraoral-scanned and cone-beam computed tomography–scanned crowns in various registration methods

Introduction The purpose of this study was to investigate the registration accuracy between intraoral-scanned crowns and cone-beam computed tomography (CBCT)–scanned crowns in various registration methods. Methods The samples consisted of…

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Nonsurgical treatment of skeletal maxillary protrusion with gummy smile using headgear for growth control, mini-implants as anchorage for maxillary incisor intrusion, and premolar extractions for incisor retraction

Mar 9, 2020 by in Orthodontics Comments Off on Nonsurgical treatment of skeletal maxillary protrusion with gummy smile using headgear for growth control, mini-implants as anchorage for maxillary incisor intrusion, and premolar extractions for incisor retraction

Introduction An adolescent girl, aged 12 years 11 months, was evaluated for orthodontic treatment. Her chief complaints included a difficulty with keeping her lips passively closed and excessive gingival exposure upon smiling….

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Accurate bracket placement using a computer-aided design and computer-aided manufacturing–guided bonding device: An in vivo study

Mar 9, 2020 by in Orthodontics Comments Off on Accurate bracket placement using a computer-aided design and computer-aided manufacturing–guided bonding device: An in vivo study

Introduction A protocol was introduced to achieve accurate bracket placement in vivo, which consisted of operative procedures for precise control, and a computer-aided design and computer-aided manufacturing–guided bonding device. To evaluate…

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Meta-analysis: Random-effects model

Mar 9, 2020 by in Orthodontics Comments Off on Meta-analysis: Random-effects model

Under the random-effects model, the true effect size is assumed to be different across studies. These studies are not identical (as in the case of the fixed-effect model), but they…

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Medical malpractice or breach of contract

Mar 9, 2020 by in Orthodontics Comments Off on Medical malpractice or breach of contract

The doctor agreed to perform a certain medical procedure. He did not perform the procedure completely. This required the patient to undergo the procedure again, by a different doctor. Did…

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Influence of type of radiograph and levels of experience and training on reproducibility of the cervical vertebral maturation method

Mar 9, 2020 by in Orthodontics Comments Off on Influence of type of radiograph and levels of experience and training on reproducibility of the cervical vertebral maturation method

Introduction The objective of this study was to assess the reproducibility of cervical vertebral maturation (CVM) method based on the type of radiographic image and the level of experience and…

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Treatment and posttreatment effects of a novel magnetic palatal expansion appliance with reactivation system in dogs

Mar 9, 2020 by in Orthodontics Comments Off on Treatment and posttreatment effects of a novel magnetic palatal expansion appliance with reactivation system in dogs

Introduction This study aimed to compare the effects of a novel magnetic palatal expansion appliance (MPEA) during the expansion and maintenance period with that of a screw expansion appliance. Methods…

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Three-dimensional changes of the upper airway in patients with Class II malocclusion treated with the Herbst appliance: A cone-beam computed tomography study

Mar 9, 2020 by in Orthodontics Comments Off on Three-dimensional changes of the upper airway in patients with Class II malocclusion treated with the Herbst appliance: A cone-beam computed tomography study

Introduction This study aimed to determine the volumetric effects on the upper airways of growing patients with Class II malocclusion treated with the Herbst appliance (HA). Methods Volumetric measurements of…

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Maxillary incisor root morphology in patients with nonsyndromic tooth agenesis: A controlled cross-sectional pilot study

Mar 9, 2020 by in Orthodontics Comments Off on Maxillary incisor root morphology in patients with nonsyndromic tooth agenesis: A controlled cross-sectional pilot study

Introduction This study aimed to investigate the association between root morphology of maxillary incisors and nonsyndromic tooth agenesis in patients compared with a control group without agenesis. Methods This controlled…

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A comparison of conventional vs automated digital Peer Assessment Rating scoring using the Carestream 3600 scanner and CS Model+ software system: A randomized controlled trial

Mar 9, 2020 by in Orthodontics Comments Off on A comparison of conventional vs automated digital Peer Assessment Rating scoring using the Carestream 3600 scanner and CS Model+ software system: A randomized controlled trial

Introduction A prospective randomized study was undertaken to compare conventional study model-based manual Peer Assessment Rating (PAR) scoring with computer-based automated scoring using scanned study models or intraoral scanning. Methods…

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